大约有 40,000 项符合查询结果（耗时：0.0392秒） [XML]
Why does Java's hashCode() in String use 31 as a multiplier?
... i == (i << 5) - i. Modern VMs do this sort of optimization automatically.
(from Chapter 3, Item 9: Always override hashcode when you override equals, page 48)
share
|
improve this answer
...
Add to Array jQuery
...his has nothing to do with jQuery though.
var myArray = [];
myArray.push("foo");
// myArray now contains "foo" at index 0.
share
|
improve this answer
|
follow
...
Boolean vs boolean in Java
...
It should be noted the a Boolean actually has 3 states... true, false and null where a boolean has the logical 2 states (true and false)
– respectTheCode
Jun 6 '14 at 15:46
...
Converting string to byte array in C#
... Apr 18 '13 at 0:54
Timothy RandallTimothy Randall
13.7k11 gold badge1212 silver badges2727 bronze badges
...
How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
...ble about how the property works. Even SO, it appears to me, does not have all the answers, so here is my attempt at self-answering the question:
...
Change text from “Submit” on input tag
...(including <img> here).
<button type="submit" class="like" name="foo" value="bar">Like</button>
Note that support for <button> is dodgy in older versions of Internet Explorer.
share
|
...
Inspecting standard container (std::map) contents with gdb
...td::map with 2 elements = {[1] = 2, [2] = 4}
If it doesn't work automatically for you see the first bullet point on the STL Support page of the GDB wiki.
You can write Python pretty printers for your own types too, see Pretty Printing in the GDB manual.
...
Exposing a port on a live Docker container
...e -p flag with docker run to assign ports, but once a container is actually running, is there a command to open/map additional ports live?
...
Show current key setting?
...
or better yet: :nmap foo :echo('your leader is "<Leader>"')<Esc>| exec 'norm foo'| nun foo
– qeatzy
Oct 27 '19 at 13:57
...
Why not abstract fields?
...
"the compiler will give a warning". Actually, the Child constructor would be trying to use a non-existent noargs constructor and that is a compilation error (not a warning).
– Stephen C
Feb 6 '10 at 0:15
...